2023-03-23 Docker auth config for testcontainers-go.go - for https://github.com/VideoAmp/central/pull/3743/files

2023-03-23 Docker auth config for testcontainers-go.go

// Before: construct RegistryCred as JSON+base64-encoded string,
//  and supply that via GenericContainerRequest
authConfig := struct {
	Username string `json:"username"`
	Password string `json:"password"`
}{
	"MyDockerHubUsername",
	"MyDockerHubPassword",
}
encodedJSON, _ := json.Marshal(authConfig)

testcontainers.GenericContainerRequest{
	...
	RegistryCred: base64.URLEncoding.EncodeToString(encodedJSON),
}



// After: construct dockercfg.Config, then JSON-encode it,
//  then set it as bytes as an env var prior to invoking
//  your GenericContainerRequest
//
// import "github.com/cpuguy83/dockercfg"
dockerAuthConfig := dockercfg.Config{
	AuthConfigs: map[string]dockercfg.AuthConfig{
		"https://index.docker.io/v1/": {
			Username: "MyDockerHubUsername",
			Password: "MyDockerHubPassword",
		},
	},
}
b, _ := json.Marshal(o.dockerAuthConfig)
_ = os.Setenv("DOCKER_AUTH_CONFIG", string(b))

testcontainers.GenericContainerRequest{
	...
}